CN111969485A - Application mode of automatic processing device for heating defects of power overhead high-voltage line connector - Google Patents

Application mode of automatic processing device for heating defects of power overhead high-voltage line connector Download PDF

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Publication number
CN111969485A
CN111969485A CN202010829575.XA CN202010829575A CN111969485A CN 111969485 A CN111969485 A CN 111969485A CN 202010829575 A CN202010829575 A CN 202010829575A CN 111969485 A CN111969485 A CN 111969485A
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aerial vehicle
unmanned aerial
joint
voltage line
voltage
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CN111969485B (en
Inventor
林晓铭
鲍伟强
张衍
施广宇
陈君
连鸿松
邓颖
顾平良
赖琦
陶一军
陈华忠
林逸鹏
江桂英
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State Grid Fujian Electric Power Co Ltd
Nanping Power Supply Co of State Grid Fujian Electric Power Co Ltd
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State Grid Fujian Electric Power Co Ltd
Nanping Power Supply Co of State Grid Fujian Electric Power Co Ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/02Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables

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Abstract

The invention provides an application mode of an automatic processing device for heating defects of an overhead high-voltage line joint of an electric power, which is used for processing the heating defects of the high-voltage line joint caused by abnormal increase of contact resistance, wherein the automatic processing device is an unmanned aerial vehicle, and the unmanned aerial vehicle is provided with a conductive paste spraying device, an electric field inductor, an infrared thermal imager, a control module and a power supply module; when the unmanned aerial vehicle is used for processing the heating defect of the high-voltage wire connector, the control module detects the electric field intensity of the high-voltage wire by the electric field inductor and controls the unmanned aerial vehicle to fly, so that the distance between the high-voltage wire and the unmanned aerial vehicle in a flying state is maintained in a safe operation interval range, the unmanned aerial vehicle firstly sprays a rust removal cleaning agent to the high-voltage wire connector by the conductive paste spraying device to clean the high-voltage wire connector, and then sprays conductive paste capable of being quickly cured to the high-voltage wire connector after the high-voltage wire connector is dried so as to improve the conductivity of the; the invention can automatically find and process the heating fault of the overhead high-voltage power line on line in time under the condition of no power failure.

Description

Application mode of automatic processing device for heating defects of power overhead high-voltage line connector
Technical Field
The invention relates to the technical field of maintenance of electric power facilities, in particular to an application mode of an automatic processing device for heating defects of an overhead high-voltage line joint of electric power.
Background
The high-voltage line of electric power built on stilts long distance transmission electric energy is in live-line operation, because the electric current is sent hot, the long-term wind that blows sways circuit etc., all can cause high-voltage line gold utensil fastener to connect not hard up, the ambient environment pollution also can cause the oxidation and the corruption of its contact surface, these all make overhead high-voltage line fastener joint contact resistance constantly increase, thereby produce the defect of generating heat that is higher than normal temperature of generating heat, if can not in time solve, the defect will constantly aggravate, cause vicious circle, finally lead to connecting to burn out and drop, the malignant fault that ground personnel and grid equipment safety were endangered seriously to high-voltage conductor short circuit etc. takes. The traditional method for treating the defects needs to power off a high-voltage line with a heating fault, and professional personnel carry materials and tools to climb the high altitude of the iron tower to treat or replace joints with the heating defects. The invention discloses an application method of a device capable of automatically discovering and processing heating faults of an overhead high-voltage power line on line in time under the condition of no power failure, which is significant in that local production and resident life are seriously influenced by power failure, the social image of a power supply enterprise is damaged, and a large amount of direct economic losses of a power department per se, such as reduction of transmission electric energy loss and personnel maintenance and repair cost, are caused.
Disclosure of Invention
The invention provides an application mode of an automatic processing device for heating defects of a joint of an overhead high-voltage power line, which can automatically find and process the heating faults of the overhead high-voltage power line on line in time under the condition of no power outage.
The invention adopts the following technical scheme.
The application mode of the automatic processing device for the heating defects of the power overhead high-voltage line connector is used for processing the heating defects of the high-voltage line connector caused by abnormal increase of contact resistance, the automatic processing device is an unmanned aerial vehicle (1), and the unmanned aerial vehicle is provided with a conductive paste spraying device, an electric field inductor, an infrared thermal imager, a control module and a power supply module (16); when application unmanned aerial vehicle handled the high-voltage line and connect the defect that generates heat, control module surveys high-voltage line electric field intensity and controls unmanned aerial vehicle flight action with electric field inductor (5), the distance between the unmanned aerial vehicle that makes high-voltage line and flight state maintains in safe operation interval within range, unmanned aerial vehicle sprays rust cleaning agent (18) with electrically conductive thick liquid spraying device to high-voltage line joint earlier in order to wash it, treat that high-voltage line joint is dry later to its electrically conductive thick liquid (15) that spout to cover but rapid curing in order to improve the electric conductivity of high-voltage line joint.
An ultrasonic detector (4) for flying and obstacle avoidance is further arranged at the head of the unmanned aerial vehicle; the ultrasonic detector is connected with the control module, and when unmanned aerial vehicle flies, the ultrasonic detector sends the ultrasonic wave to aircraft nose the place ahead in order to survey the barrier according to the reflection echo, control module controls unmanned aerial vehicle's obstacle avoidance flight action according to ultrasonic detector's barrier detection result.
A hot air gun is also arranged at the unmanned aerial vehicle; when the unmanned aerial vehicle cleans the high-voltage wire joint by using a rust removal cleaning agent, the hot air gun blows hot air to the high-voltage wire joint to accelerate the drying speed of the high-voltage wire joint; after the unmanned aerial vehicle sprays the conductive paste to the high-voltage wire connector, the hot air gun blows hot air to the high-voltage wire connector to accelerate the curing speed of the conductive paste.
The conductive paste is conductive silver paste or conductive copper paste; the conductive paste spraying device comprises a spray gun (7), a conductive paste storage bin (2), a rust removal cleaning agent storage bin (3), a hot air gun (17) and an electromagnetic valve assembly; the spray gun is respectively connected with the conductive paste storage bin and the derusting cleaning agent storage bin through a pipeline assembly (8); the conductive paste storage bin and the derusting cleaning agent storage bin are filled with pressure in advance so as to facilitate the ejection of liquid in the bins through spray guns.
The pipeline assembly comprises a spray gun input pipe connected with the spray gun, a first branch pipe and a second branch pipe, wherein the first branch pipe and the second branch pipe are communicated with the spray gun input pipe; the first branch pipe is communicated with the conductive paste storage bin through a first electromagnetic valve (9); the second branch pipe is communicated with the rust removing and cleaning agent storage bin through a second electromagnetic valve;
four sides of the periphery of the unmanned aerial vehicle are respectively provided with an electric field inductor; the infrared thermal imager, the spray gun and the hot air gun are arranged at the bottom of the front belly of the unmanned aerial vehicle side by side, and the conductive paste storage bin and the derusting cleaning agent storage bin are respectively arranged at two sides of the unmanned aerial vehicle as external hanging pieces; the power module is internally provided with a storage battery.
The power overhead high-voltage line (12) is arranged at a high altitude by a support (11), and the joint parts of all sections of power overhead high-voltage lines are mutually connected into a high-voltage line by insulating porcelain bottles (13) or hardware wire clamp joints (14);
the control module controls the unmanned aerial vehicle to fly or hover along the high-voltage line according to a preset flight plan, and patrols the high-voltage line; when unmanned aerial vehicle patrols and examines, control module presses the high-tension line electric field intensity that electric field inductor measured, and unmanned aerial vehicle's equipment tolerates electric field intensity to and patrol and examine required working distance, control unmanned aerial vehicle and high-tension line keep safe operation interval.
When the unmanned aerial vehicle patrols and examines the high-voltage line, the control module carries out temperature measurement detection on the joint part of the high-voltage line by using the infrared imager; when the measured temperature value exceeds the threshold value, the control module judges that the joint part is overheated, controls the conductive paste spraying device to spray a derusting cleaning agent to the overheated joint part so as to clean the overheated joint part, and sprays conductive paste to the overheated joint part so as to improve the conductivity of the overheated joint part.
Unmanned aerial vehicle is patrolling and examining the high-voltage line, and the high-voltage line is in charged state, and when electrically conductive thick liquid spray coating device sprayed rust cleaning agent or electrically conductive thick liquid to overheated joint position, solenoid valve assembly made pipeline subassembly switch its on-state and off-state with the high frequency, made the spray gun spray liquid to joint position with intermittent type mode to avoid liquid to form the passageway that discharges between high-voltage line and unmanned aerial vehicle.
The application mode comprises the following methods;
method A1, setting a control module, and setting a patrol inspection flight plan for enabling the unmanned aerial vehicle to automatically fly according to a set route;
the method A2 includes setting a control module, and setting a range of a safe separation distance between electric field induction intensity and a high-voltage line with a corresponding voltage level, so that the control module can automatically control the unmanned aerial vehicle to fly and hover at a sufficient safe distance from the high-voltage line with the corresponding voltage level in the whole flight process according to an electric field detection value of an electric field sensor on the high-voltage line;
the method A3 includes the steps that a control module is set, ultrasonic obstacle reflected wave parameters related to an ultrasonic detector are preset and used for detecting whether an obstacle exists in front of the flight of the unmanned aerial vehicle or not, if the obstacle exists, the ultrasonic detector transmits reflected data to the control module, and the control module automatically controls the unmanned aerial vehicle to avoid and bypass the obstacle and then continue to fly;
the method A5 comprises the steps of setting a control program for controlling the first and second electromagnetic valves to be opened and then quickly closed in a control module, and setting the on-off switching frequency of the electromagnetic valve assembly according to the components and the concentrations of the conductive paste and the derusting cleaning agent so as to control the conductive paste and the derusting cleaning agent to be sprayed out in a discontinuous single mode when being sprayed to a high-voltage line, so that the conductive paste and the derusting cleaning agent can be attached to the heating fault part of the high-voltage line in an equipotential manner, and the phenomenon of discharging is avoided;
the method A6 includes setting a control module, and setting judgment standards of normal temperature, slight fault overheating temperature and serious overheating fault temperature values for temperature measurement detection of the patrol high-voltage line by the control module through an infrared thermal imager.
When the unmanned aerial vehicle inspects the high-voltage line, the following method is adopted;
method B1, setting a control module, and setting a patrol inspection flight plan for enabling the unmanned aerial vehicle to automatically fly according to the set route; setting the judgment standards of normal temperature, slight fault overheating temperature and serious overheating fault temperature values for temperature measurement detection of the patrol on-way high-voltage line by the control module through an infrared thermal imager;
method B2, the unmanned aerial vehicle automatically flies and returns along the electric power high-voltage overhead line for inspection along the preset inspection flight plan;
in the automatic flight inspection method B3, an unmanned aerial vehicle automatically avoids flight obstacles according to data detected by an ultrasonic detector and an electric field inductor and keeps a sufficient safe distance with a power high-voltage line so as to safely fly and perform inspection operation;
method B4, when the unmanned aerial vehicle flies along the overhead high-voltage power line, detecting the temperature of each high-voltage line hardware wire clamp joint by using an infrared thermal imager;
method B5, when the control module finds that the temperature of the high-voltage wire clamp connector slightly exceeds the set normal temperature through an infrared thermal imager, the control module judges that a slight overheating fault exists in the area, the control module records data of the area and marks the coordinates of the area, and the position is classified as a key patrol visual area in the next patrol flight plan;
the method B6 includes that when the control module finds that the temperature of the high-voltage wire clamp connector seriously exceeds the set normal temperature through an infrared thermal imager, the control module judges that a serious overheating fault exists in the area, the unmanned aerial vehicle automatically flies to be close to the high-voltage wire clamp connector which is seriously heated to hover, and the electric field inductor and the control module automatically control the unmanned aerial vehicle to be held at a position which can be close to the high-voltage wire clamp connector which is seriously heated and can also keep enough safe distance to carry out routing inspection work;
according to the method B7, after the infrared thermal imager on the unmanned aerial vehicle locks the position of the high-voltage wire clamp joint with the serious heating fault, the spray gun is aligned to the high-voltage wire clamp joint with the serious heating fault, the second electromagnetic valve is automatically opened and rapidly closed, the operation is repeated for multiple times, and the rust removing cleaning agent is sprayed to the high-voltage wire clamp joint with the serious overheating in a discontinuous spraying mode to remove rust and clean in an equipotential manner;
method B8, after cleaning, the unmanned aerial vehicle starts the hot air gun to dry the high-voltage wire clamp joint by hot air blowing for a preset time;
method B9, after the hot air drying is finished, the unmanned aerial vehicle automatically closes the hot air gun, controls the interruption control that the first electromagnetic valve is closed quickly after being opened each time, and sprays the conductive paste to the joint of the high-voltage wire clamp in a discontinuous equipotential mode and permeates into the gap at the joint;
in the method B10, the unmanned aerial vehicle starts a hot air gun to dry the conductive paste sprayed to the high-voltage wire clamp connector by hot air blowing for a preset time, so that the sprayed conductive paste is quickly cured;
method B11, then controlling the first electromagnetic valve to be closed quickly after being opened each time, and spraying the high-conductivity silver paste to the joint of the high-voltage wire clamp in a discontinuous spraying mode; then, opening the hot air gun to blow hot air to dry the conductive paste sprayed to the joint of the high-voltage wire clamp, and then closing the hot air gun, and circulating the method B9-the method B10 for many times;
according to the method B12, as the conductive paste penetrates into the gap at the heating wire clamp joint and wraps the surface of the heating wire clamp joint, the conductivity of the heating wire clamp joint can be effectively improved, so that the heating of the heating wire clamp joint is reduced, when the infrared thermal imager detects that the heating temperature at the wire clamp joint is reduced to a normal value, or the heating temperature at the wire clamp joint is close to the temperature of other adjacent wire clamp joints which normally run, the control module judges that the serious overheating fault in the area is eliminated, the operation of the conductive paste spraying device is stopped, and the unmanned aerial vehicle continues flying and patrolling along a high-voltage line;
method B13, when the infrared thermal imager of the unmanned aerial vehicle control module measures the temperature of a certain high-voltage wire clamp joint to heat seriously, continuing to automatically process according to the method B6-the method B12;
and in the method B14, after the inspection of the whole overhead high-voltage power line is finished, the unmanned aerial vehicle automatically returns.
The invention has the advantages that the heating defect of the power overhead long-distance electric energy transmission high-voltage line can be effectively and automatically monitored and processed on line without power failure, the problems that the high-voltage line with the heating fault needs to be powered off in the traditional processing, and the clamp joint with the heating defect is processed or replaced by carrying materials and tools in risk by professionals to climb to the high altitude of an iron tower are solved, and compared with the traditional mode, the method has obvious advantages.
Drawings
The invention is described in further detail below with reference to the following figures and detailed description:
figure 1 is a schematic view of a drone according to the invention;
fig. 2 is a schematic view of a conductive paste spraying apparatus of an unmanned aerial vehicle;
FIG. 3 is a schematic diagram of the unmanned aerial vehicle processing the joint heating defect;
FIG. 4 is a schematic diagram of the operating principle of the control module;
in the figure: 1-unmanned aerial vehicle; 2-storing the conductive paste; 3-storing the rust removing cleaning agent in a warehouse; 4-an ultrasonic detector; 5-an electric field inductor; 6-infrared thermal imaging instrument; 7-a spray gun; 8-a pipe assembly; 9-a first solenoid valve; 10-a second solenoid valve; 11-a support; 12-high voltage line; 13-porcelain insulator; 14-a wire clamp joint; 15-conductive paste; 16-a power supply module; 17-a hot air gun; 18-derusting cleaning agent.
Detailed Description
As shown in fig. 1-4, an application manner of the automatic processing device for the heating defect of the overhead high-voltage line connector is used for processing the heating defect of the overhead high-voltage line connector caused by the abnormal increase of the contact resistance, the automatic processing device is an unmanned aerial vehicle 1, and the unmanned aerial vehicle carries a conductive paste spraying device, an electric field sensor 5, an infrared thermal imager 6, a control module and a power supply module 16; when application unmanned aerial vehicle handled the high-voltage line and connect the defect that generates heat, control module surveys high-voltage line electric field intensity and controls unmanned aerial vehicle flight action with electric field inductor 5, the distance between the unmanned aerial vehicle that makes high-voltage line and flight state maintains in safe operation interval within range, unmanned aerial vehicle sprays rust cleaning agent 18 with electrically conductive thick liquid earlier and connects to the high-voltage line with the electrically conductive thick liquid and in order to wash it, treat that the high-voltage line connects after dry to spray to it and cover the electrically conductive thick liquid 15 that can the rapid curing in order to improve the electric conductivity that the high-voltage line connects.
The unmanned aerial vehicle is also provided with an ultrasonic detector 4 used for flying and avoiding obstacles at the head; the ultrasonic detector is connected with the control module, and when unmanned aerial vehicle flies, the ultrasonic detector sends the ultrasonic wave to aircraft nose the place ahead in order to survey the barrier according to the reflection echo, control module controls unmanned aerial vehicle's obstacle avoidance flight action according to ultrasonic detector's barrier detection result.
A hot air gun is also arranged at the unmanned aerial vehicle; when the unmanned aerial vehicle cleans the high-voltage wire joint by using a rust removal cleaning agent, the hot air gun blows hot air to the high-voltage wire joint to accelerate the drying speed of the high-voltage wire joint; after the unmanned aerial vehicle sprays the conductive paste to the high-voltage wire connector, the hot air gun blows hot air to the high-voltage wire connector to accelerate the curing speed of the conductive paste.
The conductive paste is conductive silver paste or conductive copper paste; the conductive paste spraying device comprises a spray gun 7, a conductive paste storage bin 2, a rust removing cleaning agent storage bin 3, a hot air gun 17 and a solenoid valve assembly; the spray gun is respectively connected with the conductive paste storage bin and the derusting cleaning agent storage bin through a pipeline assembly 8; the conductive paste storage bin and the derusting cleaning agent storage bin are filled with pressure in advance so as to facilitate the ejection of liquid in the bins through spray guns.
The pipeline assembly comprises a spray gun input pipe connected with the spray gun, a first branch pipe and a second branch pipe, wherein the first branch pipe and the second branch pipe are communicated with the spray gun input pipe; the first branch pipe is communicated with the conductive paste storage bin through a first electromagnetic valve 9; the second branch pipe is communicated with a rust removing and cleaning agent storage bin through a second electromagnetic valve 10;
four sides of the periphery of the unmanned aerial vehicle are respectively provided with an electric field inductor; the infrared thermal imager, the spray gun and the hot air gun are arranged at the bottom of the front belly of the unmanned aerial vehicle side by side, and the conductive paste storage bin and the derusting cleaning agent storage bin are respectively arranged at two sides of the unmanned aerial vehicle as external hanging pieces; the power module is internally provided with a storage battery.
The overhead high-voltage power line 12 is arranged at a high altitude by a support 11, and the joint parts of all sections of overhead high-voltage power lines are mutually connected into a high-voltage line by an insulating porcelain bottle 13 or a hardware clamp joint 14;
the control module controls the unmanned aerial vehicle to fly or hover along the high-voltage line according to a preset flight plan, and patrols the high-voltage line; when unmanned aerial vehicle patrols and examines, control module presses the high-tension line electric field intensity that electric field inductor measured, and unmanned aerial vehicle's equipment tolerates electric field intensity to and patrol and examine required working distance, control unmanned aerial vehicle and high-tension line keep safe operation interval.
When the unmanned aerial vehicle patrols and examines the high-voltage line, the control module carries out temperature measurement detection on the joint part of the high-voltage line by using the infrared imager; when the measured temperature value exceeds the threshold value, the control module judges that the joint part is overheated, controls the conductive paste spraying device to spray a derusting cleaning agent to the overheated joint part so as to clean the overheated joint part, and sprays conductive paste to the overheated joint part so as to improve the conductivity of the overheated joint part.
Unmanned aerial vehicle is patrolling and examining the high-voltage line, and the high-voltage line is in charged state, and when electrically conductive thick liquid spray coating device sprayed rust cleaning agent or electrically conductive thick liquid to overheated joint position, solenoid valve assembly made pipeline subassembly switch its on-state and off-state with the high frequency, made the spray gun spray liquid to joint position with intermittent type mode to avoid liquid to form the passageway that discharges between high-voltage line and unmanned aerial vehicle.
The application mode comprises the following methods;
method A1, setting a control module, and setting a patrol inspection flight plan for enabling the unmanned aerial vehicle to automatically fly according to a set route;
the method A2 includes setting a control module, and setting a range of a safe separation distance between electric field induction intensity and a high-voltage line with a corresponding voltage level, so that the control module can automatically control the unmanned aerial vehicle to fly and hover at a sufficient safe distance from the high-voltage line with the corresponding voltage level in the whole flight process according to an electric field detection value of an electric field sensor on the high-voltage line;
the method A3 includes the steps that a control module is set, ultrasonic obstacle reflected wave parameters related to an ultrasonic detector are preset and used for detecting whether an obstacle exists in front of the flight of the unmanned aerial vehicle or not, if the obstacle exists, the ultrasonic detector transmits reflected data to the control module, and the control module automatically controls the unmanned aerial vehicle to avoid and bypass the obstacle and then continue to fly;
the method A5 comprises the steps of setting a control program for controlling the first and second electromagnetic valves to be opened and then quickly closed in a control module, and setting the on-off switching frequency of the electromagnetic valve assembly according to the components and the concentrations of the conductive paste and the derusting cleaning agent so as to control the conductive paste and the derusting cleaning agent to be sprayed out in a discontinuous single mode when being sprayed to a high-voltage line, so that the conductive paste and the derusting cleaning agent can be attached to the heating fault part of the high-voltage line in an equipotential manner, and the phenomenon of discharging is avoided;
the method A6 includes setting a control module, and setting judgment standards of normal temperature, slight fault overheating temperature and serious overheating fault temperature values for temperature measurement detection of the patrol high-voltage line by the control module through an infrared thermal imager.
When the unmanned aerial vehicle inspects the high-voltage line, the following method is adopted;
method B1, setting a control module, and setting a patrol inspection flight plan for enabling the unmanned aerial vehicle to automatically fly according to the set route; setting the judgment standards of normal temperature, slight fault overheating temperature and serious overheating fault temperature values for temperature measurement detection of the patrol on-way high-voltage line by the control module through an infrared thermal imager;
method B2, the unmanned aerial vehicle automatically flies and returns along the electric power high-voltage overhead line for inspection along the preset inspection flight plan;
in the automatic flight inspection method B3, an unmanned aerial vehicle automatically avoids flight obstacles according to data detected by an ultrasonic detector and an electric field inductor and keeps a sufficient safe distance with a power high-voltage line so as to safely fly and perform inspection operation;
method B4, when the unmanned aerial vehicle flies along the overhead high-voltage power line, detecting the temperature of each high-voltage line hardware wire clamp joint by using an infrared thermal imager;
method B5, when the control module finds that the temperature of the high-voltage wire clamp connector slightly exceeds the set normal temperature through an infrared thermal imager, the control module judges that a slight overheating fault exists in the area, the control module records data of the area and marks the coordinates of the area, and the position is classified as a key patrol visual area in the next patrol flight plan;
the method B6 includes that when the control module finds that the temperature of the high-voltage wire clamp connector seriously exceeds the set normal temperature through an infrared thermal imager, the control module judges that a serious overheating fault exists in the area, the unmanned aerial vehicle automatically flies to be close to the high-voltage wire clamp connector which is seriously heated to hover, and the electric field inductor and the control module automatically control the unmanned aerial vehicle to be held at a position which can be close to the high-voltage wire clamp connector which is seriously heated and can also keep enough safe distance to carry out routing inspection work;
according to the method B7, after the infrared thermal imager on the unmanned aerial vehicle locks the position of the high-voltage wire clamp joint with the serious heating fault, the spray gun is aligned to the high-voltage wire clamp joint with the serious heating fault, the second electromagnetic valve is automatically opened and rapidly closed, the operation is repeated for multiple times, and the rust removing cleaning agent is sprayed to the high-voltage wire clamp joint with the serious overheating in a discontinuous spraying mode to remove rust and clean in an equipotential manner;
method B8, after cleaning, the unmanned aerial vehicle starts the hot air gun to dry the high-voltage wire clamp joint by hot air blowing for a preset time;
method B9, after the hot air drying is finished, the unmanned aerial vehicle automatically closes the hot air gun, controls the interruption control that the first electromagnetic valve is closed quickly after being opened each time, and sprays the conductive paste to the joint of the high-voltage wire clamp in a discontinuous equipotential mode and permeates into the gap at the joint;
in the method B10, the unmanned aerial vehicle starts a hot air gun to dry the conductive paste sprayed to the high-voltage wire clamp connector by hot air blowing for a preset time, so that the sprayed conductive paste is quickly cured;
method B11, then controlling the first electromagnetic valve to be closed quickly after being opened each time, and spraying the high-conductivity silver paste to the joint of the high-voltage wire clamp in a discontinuous spraying mode; then, opening the hot air gun to blow hot air to dry the conductive paste sprayed to the joint of the high-voltage wire clamp, and then closing the hot air gun, and circulating the method B9-the method B10 for many times;
according to the method B12, as the conductive paste penetrates into the gap at the heating wire clamp joint and wraps the surface of the heating wire clamp joint, the conductivity of the heating wire clamp joint can be effectively improved, so that the heating of the heating wire clamp joint is reduced, when the infrared thermal imager detects that the heating temperature at the wire clamp joint is reduced to a normal value, or the heating temperature at the wire clamp joint is close to the temperature of other adjacent wire clamp joints which normally run, the control module judges that the serious overheating fault in the area is eliminated, the operation of the conductive paste spraying device is stopped, and the unmanned aerial vehicle continues flying and patrolling along a high-voltage line;
method B13, when the infrared thermal imager of the unmanned aerial vehicle control module measures the temperature of a certain high-voltage wire clamp joint to heat seriously, continuing to automatically process according to the method B6-the method B12;
and in the method B14, after the inspection of the whole overhead high-voltage power line is finished, the unmanned aerial vehicle automatically returns.

Claims (10)

1. The utility model provides an application mode of electric power overhead high-voltage line connects defect automatic processing apparatus that generates heat for handle the high-voltage line connects defect that generates heat that causes because of the unusual increase of contact resistance, its characterized in that: the automatic processing device is an unmanned aerial vehicle (1), and the unmanned aerial vehicle is provided with a conductive paste spraying device, an electric field inductor, an infrared thermal imager, a control module and a power supply module (16); when application unmanned aerial vehicle handled the high-voltage line and connect the defect that generates heat, control module surveys high-voltage line electric field intensity and controls unmanned aerial vehicle flight action with electric field inductor (5), the distance between the unmanned aerial vehicle that makes high-voltage line and flight state maintains in safe operation interval within range, unmanned aerial vehicle sprays rust cleaning agent (18) with electrically conductive thick liquid spraying device to high-voltage line joint earlier in order to wash it, treat that high-voltage line joint is dry later to its electrically conductive thick liquid (15) that spout to cover but rapid curing in order to improve the electric conductivity of high-voltage line joint.
2. The application mode of the automatic processing device for the heating defects of the electric overhead high-voltage line joint as claimed in claim 1, is characterized in that: an ultrasonic detector (4) for flying and obstacle avoidance is further arranged at the head of the unmanned aerial vehicle; the ultrasonic detector is connected with the control module, and when unmanned aerial vehicle flies, the ultrasonic detector sends the ultrasonic wave to aircraft nose the place ahead in order to survey the barrier according to the reflection echo, control module controls unmanned aerial vehicle's obstacle avoidance flight action according to ultrasonic detector's barrier detection result.
3. The application mode of the automatic processing device for the heating defects of the electric overhead high-voltage line joint as claimed in claim 1, is characterized in that: a hot air gun is also arranged at the unmanned aerial vehicle; when the unmanned aerial vehicle cleans the high-voltage wire joint by using a rust removal cleaning agent, the hot air gun blows hot air to the high-voltage wire joint to accelerate the drying speed of the high-voltage wire joint; after the unmanned aerial vehicle sprays the conductive paste to the high-voltage wire connector, the hot air gun blows hot air to the high-voltage wire connector to accelerate the curing speed of the conductive paste.
4. The application mode of the automatic processing device for the heating defects of the electric overhead high-voltage line joint as claimed in claim 3, is characterized in that: the conductive paste is conductive silver paste or conductive copper paste; the conductive paste spraying device comprises a spray gun (7), a conductive paste storage bin (2), a rust removal cleaning agent storage bin (3), a hot air gun (17) and an electromagnetic valve assembly; the spray gun is respectively connected with the conductive paste storage bin and the derusting cleaning agent storage bin through a pipeline assembly (8); the conductive paste storage bin and the derusting cleaning agent storage bin are filled with pressure in advance so as to facilitate the ejection of liquid in the bins through spray guns.
5. The application mode of the automatic processing device for the heating defects of the electric overhead high-voltage line joint as set forth in claim 4 is characterized in that: the pipeline assembly comprises a spray gun input pipe connected with the spray gun, a first branch pipe and a second branch pipe, wherein the first branch pipe and the second branch pipe are communicated with the spray gun input pipe; the first branch pipe is communicated with the conductive paste storage bin through a first electromagnetic valve (9); the second branch pipe is communicated with the rust removing and cleaning agent storage bin through a second electromagnetic valve;
four sides of the periphery of the unmanned aerial vehicle are respectively provided with an electric field inductor; the infrared thermal imager, the spray gun and the hot air gun are arranged at the bottom of the front belly of the unmanned aerial vehicle side by side, and the conductive paste storage bin and the derusting cleaning agent storage bin are respectively arranged at two sides of the unmanned aerial vehicle as external hanging pieces; the power module is internally provided with a storage battery.
6. The application mode of the automatic processing device for the heating defects of the electric overhead high-voltage line joint as set forth in claim 4 is characterized in that: the power overhead high-voltage line (12) is arranged at a high altitude by a support (11), and the joint parts of all sections of power overhead high-voltage lines are mutually connected into a high-voltage line by insulating porcelain bottles (13) or hardware wire clamp joints (14);
the control module controls the unmanned aerial vehicle to fly or hover along the high-voltage line according to a preset flight plan, and patrols the high-voltage line; when unmanned aerial vehicle patrols and examines, control module presses the high-tension line electric field intensity that electric field inductor measured, and unmanned aerial vehicle's equipment tolerates electric field intensity to and patrol and examine required working distance, control unmanned aerial vehicle and high-tension line keep safe operation interval.
7. The application mode of the automatic processing device for the heating defects of the electric overhead high-voltage line joint as claimed in claim 6, is characterized in that: when the unmanned aerial vehicle patrols and examines the high-voltage line, the control module carries out temperature measurement detection on the joint part of the high-voltage line by using the infrared imager; when the measured temperature value exceeds the threshold value, the control module judges that the joint part is overheated, controls the conductive paste spraying device to spray a derusting cleaning agent to the overheated joint part so as to clean the overheated joint part, and sprays conductive paste to the overheated joint part so as to improve the conductivity of the overheated joint part.
8. The application mode of the automatic processing device for the heating defects of the electric overhead high-voltage line joint as claimed in claim 7, is characterized in that: unmanned aerial vehicle is patrolling and examining the high-voltage line, and the high-voltage line is in charged state, and when electrically conductive thick liquid spray coating device sprayed rust cleaning agent or electrically conductive thick liquid to overheated joint position, solenoid valve assembly made pipeline subassembly switch its on-state and off-state with the high frequency, made the spray gun spray liquid to joint position with intermittent type mode to avoid liquid to form the passageway that discharges between high-voltage line and unmanned aerial vehicle.
9. The application mode of the automatic processing device for the heating defects of the electric overhead high-voltage line joint as claimed in claim 8, is characterized in that: the application mode comprises the following methods;
method A1, setting a control module, and setting a patrol inspection flight plan for enabling the unmanned aerial vehicle to automatically fly according to a set route;
the method A2 includes setting a control module, and setting a range of a safe separation distance between electric field induction intensity and a high-voltage line with a corresponding voltage level, so that the control module can automatically control the unmanned aerial vehicle to fly and hover at a sufficient safe distance from the high-voltage line with the corresponding voltage level in the whole flight process according to an electric field detection value of an electric field sensor on the high-voltage line;
the method A3 includes the steps that a control module is set, ultrasonic obstacle reflected wave parameters related to an ultrasonic detector are preset and used for detecting whether an obstacle exists in front of the flight of the unmanned aerial vehicle or not, if the obstacle exists, the ultrasonic detector transmits reflected data to the control module, and the control module automatically controls the unmanned aerial vehicle to avoid and bypass the obstacle and then continue to fly;
the method A5 comprises the steps of setting a control program for controlling the first and second electromagnetic valves to be opened and then quickly closed in a control module, and setting the on-off switching frequency of the electromagnetic valve assembly according to the components and the concentrations of the conductive paste and the derusting cleaning agent so as to control the conductive paste and the derusting cleaning agent to be sprayed out in a discontinuous single mode when being sprayed to a high-voltage line, so that the conductive paste and the derusting cleaning agent can be attached to the heating fault part of the high-voltage line in an equipotential manner, and the phenomenon of discharging is avoided;
the method A6 includes setting a control module, and setting judgment standards of normal temperature, slight fault overheating temperature and serious overheating fault temperature values for temperature measurement detection of the patrol high-voltage line by the control module through an infrared thermal imager.
10. The application mode of the automatic processing device for the heating defects of the electric overhead high-voltage line joint as claimed in claim 8, is characterized in that: when the unmanned aerial vehicle inspects the high-voltage line, the following method is adopted;
method B1, setting a control module, and setting a patrol inspection flight plan for enabling the unmanned aerial vehicle to automatically fly according to the set route; setting the judgment standards of normal temperature, slight fault overheating temperature and serious overheating fault temperature values for temperature measurement detection of the patrol on-way high-voltage line by the control module through an infrared thermal imager;
method B2, the unmanned aerial vehicle automatically flies and returns along the electric power high-voltage overhead line for inspection along the preset inspection flight plan;
in the automatic flight inspection method B3, an unmanned aerial vehicle automatically avoids flight obstacles according to data detected by an ultrasonic detector and an electric field inductor and keeps a sufficient safe distance with a power high-voltage line so as to safely fly and perform inspection operation;
method B4, when the unmanned aerial vehicle flies along the overhead high-voltage power line, detecting the temperature of each high-voltage line hardware wire clamp joint by using an infrared thermal imager;
method B5, when the control module finds that the temperature of the high-voltage wire clamp connector slightly exceeds the set normal temperature through an infrared thermal imager, the control module judges that a slight overheating fault exists in the area, the control module records data of the area and marks the coordinates of the area, and the position is classified as a key patrol visual area in the next patrol flight plan;
the method B6 includes that when the control module finds that the temperature of the high-voltage wire clamp connector seriously exceeds the set normal temperature through an infrared thermal imager, the control module judges that a serious overheating fault exists in the area, the unmanned aerial vehicle automatically flies to be close to the high-voltage wire clamp connector which is seriously heated to hover, and the electric field inductor and the control module automatically control the unmanned aerial vehicle to be held at a position which can be close to the high-voltage wire clamp connector which is seriously heated and can also keep enough safe distance to carry out routing inspection work;
according to the method B7, after the infrared thermal imager on the unmanned aerial vehicle locks the position of the high-voltage wire clamp joint with the serious heating fault, the spray gun is aligned to the high-voltage wire clamp joint with the serious heating fault, the second electromagnetic valve is automatically opened and rapidly closed, the operation is repeated for multiple times, and the rust removing cleaning agent is sprayed to the high-voltage wire clamp joint with the serious overheating in a discontinuous spraying mode to remove rust and clean in an equipotential manner;
method B8, after cleaning, the unmanned aerial vehicle starts the hot air gun to dry the high-voltage wire clamp joint by hot air blowing for a preset time;
method B9, after the hot air drying is finished, the unmanned aerial vehicle automatically closes the hot air gun, controls the interruption control that the first electromagnetic valve is closed quickly after being opened each time, and sprays the conductive paste to the joint of the high-voltage wire clamp in a discontinuous equipotential mode and permeates into the gap at the joint;
in the method B10, the unmanned aerial vehicle starts a hot air gun to dry the conductive paste sprayed to the high-voltage wire clamp connector by hot air blowing for a preset time, so that the sprayed conductive paste is quickly cured;
method B11, then controlling the first electromagnetic valve to be closed quickly after being opened each time, and spraying the high-conductivity silver paste to the joint of the high-voltage wire clamp in a discontinuous spraying mode; then, opening the hot air gun to blow hot air to dry the conductive paste sprayed to the joint of the high-voltage wire clamp, and then closing the hot air gun, and circulating the method B9-the method B10 for many times;
according to the method B12, as the conductive paste penetrates into the gap at the heating wire clamp joint and wraps the surface of the heating wire clamp joint, the conductivity of the heating wire clamp joint can be effectively improved, so that the heating of the heating wire clamp joint is reduced, when the infrared thermal imager detects that the heating temperature at the wire clamp joint is reduced to a normal value, or the heating temperature at the wire clamp joint is close to the temperature of other adjacent wire clamp joints which normally run, the control module judges that the serious overheating fault in the area is eliminated, the operation of the conductive paste spraying device is stopped, and the unmanned aerial vehicle continues flying and patrolling along a high-voltage line;
method B13, when the infrared thermal imager of the unmanned aerial vehicle control module measures the temperature of a certain high-voltage wire clamp joint to heat seriously, continuing to automatically process according to the method B6-the method B12;
and in the method B14, after the inspection of the whole overhead high-voltage power line is finished, the unmanned aerial vehicle automatically returns.
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